Fully Assembled Car PC with ASRock Q1900B mini-itx motherboard and M2-ATX intelligent automotive power supply comes with the option to choose Windows Home Premium or Windows Professional, separately or preinstalled.

NOTE: Conditions for returning systems with Windows OS preinstalled by Mini-Box.com: - Refunds are allowed only within 30 days from purchase, a charge of 15% will be applied.- After 30 days, only exchanges for defective products are allowed (no credits), and it must be with same motherboard.